61272413070 has 256 divisors, whose sum is σ = 169019136000. Its totient is φ = 14079744000.

The previous prime is 61272413021. The next prime is 61272413071. The reversal of 61272413070 is 7031427216.

61272413070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61272413071) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 157512436 + ... + 157512824.

It is an arithmetic number, because the mean of its divisors is an integer number (660231000).

Almost surely, 2^61272413070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61272413070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84509568000).

61272413070 is an abundant number, since it is smaller than the sum of its proper divisors (107746722930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61272413070 is a wasteful number, since it uses less digits than its factorization.

61272413070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 61272413070 in words is "sixty-one billion, two hundred seventy-two million, four hundred thirteen thousand, seventy".